Home / 27,842.68-38,423.84-15,267.44

Finding the Fourth Proportional to 27,842.68, 38,423.84 and 15,267.44

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Solution

The fourth proportional to 27,842.68, 38,423.84 and 15,267.44 is: 21,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.68 : 38,423.84 = 15,267.44 : x
  2. Step 2: Convert to fraction form
    27,842.68/38,423.84 = 15,267.44/x
  3. Step 3: Cross multiply
    27,842.68x = 38,423.84 × 15,267.44
  4. Step 4: Simplify right side
    27,842.68x = 586,633,671.77
  5. Step 5: Solve for x
    x = 586,633,671.77/27,842.68
  6. Step 6: Final answer
    x = 21,069.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.